Table 18 Sleep Time Data Columns and Descriptions.

calendar_date

Date

Calendar date of the sleep record

MM/DD/YYYY

N/A

duration_in_sec

Int

Total sleep duration

Seconds

N/A

start_date_ts

Datetime

Start timestamp of sleep

MM/DD/YYYY HH:MM

N/A

start_time_offset_s

Int

Offset from the start of the timestamp

Seconds

N/A

unmeasurable_sleep_s

Int

Time spent in unmeasur- able sleep states

Seconds

N/A

deep_sleep_s

Int

Duration spent in deep sleep

Seconds

N/A

light_sleep_s

Int

Duration spent in light sleep

Seconds

N/A

rem_sleep_s

Int

Duration spent in REM sleep

Seconds

N/A

awake_s

Int

Duration spent awake

Seconds

N/A

sleep_levels_map_deep

Object

Deep sleep segments

Object

Time intervals of deep sleep

sleep_levels_map_light

Object

Light sleep segments

Object

Time intervals of light sleep

sleep_levels_map_awake

Object

Awake segments

Object

Time intervals of wakefulness

sleep_levels_map_rem

Object

REM sleep segments

Object

Time intervals of REM sleep

sleep_levels_map_unmeasurable

Object

Unmeasurable segments

Object

Time intervals of unmeasurable sleep

validation

String

Sleep validation status

N/A

ENHANCED_FINAL, EN- HANCED_TENTATIVE, etc.